09311+2123
- Unique Name: 09311+2123BRT2400
- RA: 09 31 04.19
- Dec: +21 22 12.4
- Discoverer: BRT
- Discoverer Number: 2400
- Components:
- First year: 1893
- Last year: 2012
- Observations: 8
- First position angle: 236
- Last position angle: 243
- First separation: 4.2
- Last separation: 4.5
- Mag first component: 10.7
- Mag second component: 11.4
- Spectral type:
- Primary proper motion RA: 21
- Primary proper motion DEC: 7
- Secondary proper motion RA: 9
- Secondary proper motion DEC: -8
- Durchmusterung: +21 2045
- Notes: